In the rich text editor:
@Pistaccho
In a comment:
[Pistaccho](https://chowlings.com/user/Pistaccho)
For Names and Avatars:
In the rich text editor:
%Pistaccho
In a comment:
[![Pistaccho's Avatar](https://chowlings.com/images/avatars/1364.png?v=1729104345)](https://chowlings.com/user/Pistaccho) [Pistaccho](https://chowlings.com/user/Pistaccho)